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IT1068150B - PROCESS FOR THE PRODUCTION OF PHOSPHATIC COATINGS ON METAL SURFACES - Google Patents

PROCESS FOR THE PRODUCTION OF PHOSPHATIC COATINGS ON METAL SURFACES

Info

Publication number
IT1068150B
IT1068150B IT7627075A IT2707576A IT1068150B IT 1068150 B IT1068150 B IT 1068150B IT 7627075 A IT7627075 A IT 7627075A IT 2707576 A IT2707576 A IT 2707576A IT 1068150 B IT1068150 B IT 1068150B
Authority
IT
Italy
Prior art keywords
phosphatic
coatings
production
metal surfaces
metal
Prior art date
Application number
IT7627075A
Other languages
Italian (it)
Original Assignee
Metallgesellschaft Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Metallgesellschaft Ag filed Critical Metallgesellschaft Ag
Application granted granted Critical
Publication of IT1068150B publication Critical patent/IT1068150B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
    • C23C22/08—Orthophosphates
    • C23C22/12—Orthophosphates containing zinc cations
    • C23C22/13—Orthophosphates containing zinc cations containing also nitrate or nitrite anions
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
    • C23C22/08—Orthophosphates
    • C23C22/22—Orthophosphates containing alkaline earth metal cations

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
IT7627075A 1975-09-12 1976-09-10 PROCESS FOR THE PRODUCTION OF PHOSPHATIC COATINGS ON METAL SURFACES IT1068150B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752540684 DE2540684A1 (en) 1975-09-12 1975-09-12 PROCESS FOR PRODUCING PHOSPHATE COATINGS ON METAL SURFACES

Publications (1)

Publication Number Publication Date
IT1068150B true IT1068150B (en) 1985-03-21

Family

ID=5956298

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7627075A IT1068150B (en) 1975-09-12 1976-09-10 PROCESS FOR THE PRODUCTION OF PHOSPHATIC COATINGS ON METAL SURFACES

Country Status (8)

Country Link
AT (1) AT345627B (en)
BE (1) BE846009A (en)
BR (1) BR7605426A (en)
DE (1) DE2540684A1 (en)
FR (1) FR2323776A1 (en)
IT (1) IT1068150B (en)
NL (1) NL7609015A (en)
SE (1) SE7610069L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2080835B (en) * 1980-07-25 1984-08-30 Pyrene Chemical Services Ltd Prevention of sludge in phosphating baths
DE3407513A1 (en) * 1984-03-01 1985-09-05 Gerhard Collardin GmbH, 5000 Köln METHOD FOR ZINC-CALCIUM PHOSPHATION OF METAL SURFACES AT LOW TREATMENT TEMPERATURE
DE58905074D1 (en) * 1988-02-03 1993-09-09 Metallgesellschaft Ag METHOD FOR PRODUCING PHOSPHATE COATINGS ON METALS.
JPH02101174A (en) * 1988-10-06 1990-04-12 Nippon Paint Co Ltd Treatment with zinc phosphate for cold working
US11566330B2 (en) * 2019-04-16 2023-01-31 Ppg Industries Ohio, Inc. Systems and methods for maintaining pretreatment baths

Also Published As

Publication number Publication date
ATA459876A (en) 1978-01-15
DE2540684A1 (en) 1977-03-17
SE7610069L (en) 1977-03-13
NL7609015A (en) 1977-03-15
FR2323776A1 (en) 1977-04-08
BR7605426A (en) 1977-08-16
BE846009A (en) 1976-12-31
FR2323776B1 (en) 1980-10-31
AT345627B (en) 1978-09-25

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